ASBESTOS SUPERVISOR/WORKER CERTICATION
CONTRACTOR LICENSING EXAMINER EXAM
QUESTIONS AND ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALE 2025/2026 Q&A/
INSTANDOWNLOAD PDF
1. What is asbestos primarily known for in construction materials?
A. Flexibility
B. Fire resistance
C. Transparency
D. Magnetic properties
Correct answer: B. Asbestos was used for its excellent fire-resistant and insulating properties.
2. Which of the following is NOT a common form of asbestos?
A. Chrysotile
B. Amosite
C. Crocidolite
D. Graphite
Correct answer: D. Graphite is not asbestos; it’s a form of carbon.
3. Which type of asbestos is most commonly found in buildings?
A. Crocidolite
B. Chrysotile
C. Tremolite
D. Actinolite
Correct answer: B. Chrysotile, or “white asbestos,” is the most common commercial type.
4. Which disease is exclusively associated with asbestos exposure?
A. Tuberculosis
B. Mesothelioma
C. Pneumonia
,D. Silicosis
Correct answer: B. Mesothelioma is directly linked to asbestos exposure.
5. The primary route of asbestos exposure is through:
A. Skin absorption
B. Inhalation
C. Ingestion
D. Injection
Correct answer: B. Asbestos fibers are dangerous when inhaled into the lungs.
6. Which of the following is a friable asbestos material?
A. Vinyl floor tile
B. Asbestos cement sheet
C. Spray-applied fireproofing
D. Gasket material
Correct answer: C. Spray-applied materials easily crumble, releasing fibers.
7. The EPA regulation that governs asbestos in schools is known as:
A. AHERA
B. OSHA 29 CFR 1926.1101
C. TSCA
D. NESHAP
Correct answer: A. The Asbestos Hazard Emergency Response Act (AHERA) applies to schools.
8. The permissible exposure limit (PEL) for asbestos under OSHA is:
A. 0.1 fibers/cc (8-hour TWA)
B. 1.0 fibers/cc (8-hour TWA)
C. 0.5 fibers/cc (8-hour TWA)
D. 5 fibers/cc (8-hour TWA)
Correct answer: A. OSHA sets the asbestos PEL at 0.1 fibers per cubic centimeter of air.
9. The excursion limit for asbestos exposure (30-minute sample) is:
A. 0.1 f/cc
B. 1.0 f/cc
C. 0.5 f/cc
, D. 2.0 f/cc
Correct answer: B. The OSHA excursion limit is 1.0 f/cc for 30 minutes.
10. Before beginning asbestos removal, a competent person must:
A. Collect samples
B. Conduct an exposure assessment
C. Notify the media
D. Begin abatement immediately
Correct answer: B. Exposure assessment ensures worker safety and compliance.
11. Who is responsible for on-site supervision of asbestos abatement projects?
A. Site owner
B. Building inspector
C. Asbestos supervisor
D. Maintenance worker
Correct answer: C. The certified asbestos supervisor manages abatement activities.
12. The term friable refers to materials that:
A. Are waterproof
B. Can be easily crumbled by hand pressure
C. Are flexible
D. Contain lead
Correct answer: B. Friable materials release fibers easily when disturbed.
13. Air monitoring during asbestos removal ensures:
A. Energy efficiency
B. Compliance with fiber concentration limits
C. Faster project completion
D. Cost reduction
Correct answer: B. Monitoring confirms airborne fibers are within safe limits.
14. Which agency enforces asbestos regulations in workplaces?
A. EPA
B. OSHA
C. DOT
CONTRACTOR LICENSING EXAMINER EXAM
QUESTIONS AND ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALE 2025/2026 Q&A/
INSTANDOWNLOAD PDF
1. What is asbestos primarily known for in construction materials?
A. Flexibility
B. Fire resistance
C. Transparency
D. Magnetic properties
Correct answer: B. Asbestos was used for its excellent fire-resistant and insulating properties.
2. Which of the following is NOT a common form of asbestos?
A. Chrysotile
B. Amosite
C. Crocidolite
D. Graphite
Correct answer: D. Graphite is not asbestos; it’s a form of carbon.
3. Which type of asbestos is most commonly found in buildings?
A. Crocidolite
B. Chrysotile
C. Tremolite
D. Actinolite
Correct answer: B. Chrysotile, or “white asbestos,” is the most common commercial type.
4. Which disease is exclusively associated with asbestos exposure?
A. Tuberculosis
B. Mesothelioma
C. Pneumonia
,D. Silicosis
Correct answer: B. Mesothelioma is directly linked to asbestos exposure.
5. The primary route of asbestos exposure is through:
A. Skin absorption
B. Inhalation
C. Ingestion
D. Injection
Correct answer: B. Asbestos fibers are dangerous when inhaled into the lungs.
6. Which of the following is a friable asbestos material?
A. Vinyl floor tile
B. Asbestos cement sheet
C. Spray-applied fireproofing
D. Gasket material
Correct answer: C. Spray-applied materials easily crumble, releasing fibers.
7. The EPA regulation that governs asbestos in schools is known as:
A. AHERA
B. OSHA 29 CFR 1926.1101
C. TSCA
D. NESHAP
Correct answer: A. The Asbestos Hazard Emergency Response Act (AHERA) applies to schools.
8. The permissible exposure limit (PEL) for asbestos under OSHA is:
A. 0.1 fibers/cc (8-hour TWA)
B. 1.0 fibers/cc (8-hour TWA)
C. 0.5 fibers/cc (8-hour TWA)
D. 5 fibers/cc (8-hour TWA)
Correct answer: A. OSHA sets the asbestos PEL at 0.1 fibers per cubic centimeter of air.
9. The excursion limit for asbestos exposure (30-minute sample) is:
A. 0.1 f/cc
B. 1.0 f/cc
C. 0.5 f/cc
, D. 2.0 f/cc
Correct answer: B. The OSHA excursion limit is 1.0 f/cc for 30 minutes.
10. Before beginning asbestos removal, a competent person must:
A. Collect samples
B. Conduct an exposure assessment
C. Notify the media
D. Begin abatement immediately
Correct answer: B. Exposure assessment ensures worker safety and compliance.
11. Who is responsible for on-site supervision of asbestos abatement projects?
A. Site owner
B. Building inspector
C. Asbestos supervisor
D. Maintenance worker
Correct answer: C. The certified asbestos supervisor manages abatement activities.
12. The term friable refers to materials that:
A. Are waterproof
B. Can be easily crumbled by hand pressure
C. Are flexible
D. Contain lead
Correct answer: B. Friable materials release fibers easily when disturbed.
13. Air monitoring during asbestos removal ensures:
A. Energy efficiency
B. Compliance with fiber concentration limits
C. Faster project completion
D. Cost reduction
Correct answer: B. Monitoring confirms airborne fibers are within safe limits.
14. Which agency enforces asbestos regulations in workplaces?
A. EPA
B. OSHA
C. DOT
